Video acquisition method and device
US9819858B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Mar 27, 2015 |
| Grant date | Nov 14, 2017 |
| Priority date | — |
| Expiry date | Feb 5, 2036 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N21/4431
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A video acquisition method and device. The method includes setting a video acquisition class in a programming language framework layer. With the video acquisition class inherits a class in a video acquisition underlying library and registers a callback function for the video acquisition underlying library. The video acquisition class sends a video acquisition command to the video acquisition underlying library and the video acquisition underlying library acquires video data according to the video acquisition command. The callback function is applied to acquire the video data from the video acquisition underlying library and the video data is sent to a coder for video data coding.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.